Kim Nayun 김나윤 was born on Friday, July 31, 1998. That fell during the Chinese Year of the Tiger. Nayun, Yeonwoo, and JooE are all under the zodiac star sign Leo. She’s 167 cm or 5'5½" tall, which makes her second tallest, only coming in shorter than Yeonwoo by 2 cm. She’s the only one in the group with blood type AB.

She and Yeonwoo are both from Seoul.

Nayun likes watching movies, she loves to draw, and she’s interested in acting.